Gina can trade empty bottles for money at the grocery store. She returned a few bottles worth $0.10 each and 6 bottles worth $0.05 each. The clerk paid Gina $0.80 for all of the bottles.
How many bottles worth $0.10 did Gina return?
A. 4
B. 5
c. 6
D. 8

Need answer ASAP

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°